ITEM NAME:8 Pieces Hollow Magnetic Torx Screwdriver Bits Set 1/4 Inch Hex Shank Screw A5B5 8 Pieces Hollow Magnetic Torx Screwdriver Bits Set 1/4 Inch Hex Shank Screw A5B5 For the repair and maintenance of electronic, electrical and mechanical equipment These screwdriver bits are made of S2 alloy steel which is a material commonly used in material with high hardness. These magnetic bits that can be securely fixed on the screwdriver, worthy of electric screwdrivers, hand-held screwdrivers, electric drills, air drills and so on. Strong magnetic, great hardness, great torque, long life, and can suck the screws easily when working, each edge can be safely locked screws, without damaging the screw and screwdriver head Magnetic torx safety head 3 inch screwdriver in .S2 high quality steel, this head box are made of high quality steel S2, the surface of the batch head for the color of steel material, from the inside to outside are the same. 100% new and high quality High-frequency, quenching, high car